Across
- 3. the time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope
- 8. the number of protons in the nucleus of an atom
- 9. energy that is transferred by electromagnetic waves or by high speed particles or photons leaving the nucleus of an atom
- 10. a nuclear explosive that derives its explosive energy from nuclear fusion
- 11. the radioisotope commonly used in dating archaeological artifacts
Down
- 1. an alpha particle is identical to
- 2. the type of radiation that can be blocked with a sheet of paper
- 4. nuclear radiation that has no mass and no charge
- 5. the process by which two smaller nuclei are joined to form a larger nucleus with the release of large amounts of energy
- 6. the process by which a large nucleus splits into two medium sized nuclei with the release of extra neutrons and a large amount of energy
- 7. the type of radiation that can be blocked by